Fortes, M.A.; Pasadas, M.; Sbibih, D.; Serghini, A.; … - In: Mathematics and Computers in Simulation (MATCOM) 81 (2011) 10, pp. 2161-2173
In this paper we present a method to obtain a trivariate spline constructed over the Worsey–Piper split corresponding to a tetrahedron. Such spline approximates a set of Lagrangian scattered data by minimizing an “energy functional” which also controls the smoothness of the spline. We give...